Science: Tunnel

Last week amid the cheers of peasants and hearty "Vive!'"s of
black-mustachioed officials, largest undergound waterway in the world,
was opened to traffic by Gaston Doumergue President of France (see p.
12).

For four and one third miles the Rove Tunnel, a canal 72 feet wide, 50
feet high, Cuts under the mountains of Nerthe from the port of
Marseilles to the lake of Berre. Out of the mountains were hewn
2,500,000 cubic metres of dirt and rock to make a tube nearly three
times as large as a two-track railway tunnel. It forms...